CVE-2021-3040

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

1.29% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 69.9% of scored records. A rank, not a probability.

NVD base score

7.2 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2021-06-10 12:33Z5 YR AGO

Last updated

2024-09-16 18:23Z2 YR AGO

Reserved

2021-01-06

Assigning CNA

palo_alto

Record state

PUBLISHED

Severity

Medium (CVSS 6.7)

CNA CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L

Weaknesses

• CWE-502Deserialization of Untrusted DataBase

Data version

5.1

Document digest

8a760c65da380581c2d6cf8b8d2ff8dcf11150cd624e7801f4a1fe8d8f916f96

• security.paloaltonetworks.comhttps://security.paloaltonetworks.com/CVE-2021-3040x_refsource_MISC